a New England state; one of the original 13 colonies

a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis

an agency that helps the Director of Central Intelligence coordinate counterterrorist efforts in order to preempt and disrupt and defeat terrorist activities at the earliest possible stage

a locomotor organ consisting of a row of strong cilia whose bases are fused

comb-like respiratory structure serving as the gill of certain mollusks

large burrowing spiders

an arthropod genus of fleas

flea that attacks dogs and cats

flea that breeds chiefly on cats and dogs and rats

a former usage synonymous with Ctenocephalides

resembling a comb; having projections like the teeth of a comb

comb jellies; sea acorns; a small phylum formerly considered a class of Coelenterata

biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb

a family of ctenophores

a genus of ctenophores